Find relation, domain, and range — task. Mathematics State Board, Class 10.

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Answer variants:

$45$

9

$25$

$40$

8

5

Take the two sets,

$A = \{5, 9, 8\}$ and

$B = \{25, 11, 45, 14, 40\}$ . Let

$R$ be the relation 'is a factor of' from

$A$ to

$B$ . Then answer the following.

i)

$R =$

${(5, 8), (9, 45), (8, 9)}$
${(5, 25), (9, 45), (8, 40)}$
${(25, 5), (45, 9), (40, 8)}$

ii) Domain of

$R =$

$\{$

,

,

$\}$

iii) Range of

$R =$

$\{$

,

,

$\}$

$1$

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